Concrete-form



G. M. REICHERT.

CONCRETE FORM.

APPLICATION FILED OCT. 25, 1919.

1,334,677. Patented Mar. 23,1920.

3 SHEETS-SHEET I.

G. M. RE ICHERT.

CONCRETE FORM.

APPLlCATlON FlLED OCT. 25, 1919.

1 ,334,677. Patented Mar. 23, 1920.

s SHEETS-SHEET 2.

G. M. REICHERT.

CONCRETE FORM.

APPLICATION FILED ocnzs. 19m.

Patented Mar. 23, 1920.

3 SHEETS-SHEET 3.

UNITED STATES ArENT.on 1

- GEORGE Ml nnronnnr. or ni nwnonnn wrsconsrnl can be readily formed and one which is composed of movableform sections which are adapted to be advanced on the wall; that is, hardened to allow a continuous, harmonious wall of a single piece construction, free from joints and connections to be formed.

Another and further object of the invention is to providenovel means for alining the sections of the mold whereby they will be held in proper alinement so that all danger of displacement is prevented' Another object of the invention is to provide a mold formed of sections which can be. rigidly supported and. whichare capable of being adjusted in" their relationto each other to permit walls of various thicknesses of plastic material to be constructed.

-Ank3thei and still further object of the invention isto .provide novel means for locking the sections of the forms together and for holding the forms in their spaced relation to one another. i i

Other and further objects and advantages ofthe invention will be hereinafter set forth and the novel features thereof defined by the appendedclaims.

Inthefdra'wings; r i q Figure 1 is atop plan View of themold constructed in accordance with. my inventioirsjliowing thetwo forms spaced apart in position to receive'the plastic material. Fig. 2 is a side elevationfojf a series of forms connected together showin the manner of connecting" the same.

Fig. 3 is a detail view of the manner of forming a corner of one of the form sections. A

Fig. at is adetail top plan view ofone of the spacingmembers showing the same in position.

. is a side elevation ofthe same.

Specification of Iletters Patent.

from another position.

concurs-Tenn;

Patented Mar. 23, 1920.

A ppl icationfiled October 25, 1919. Serial No. 333,189.

- :Fig. 6 a horizontal section showing the construction and-manner; of locking the form sect ons together to form an inside corner.

Fig-J7 isjan elevation of the same.

Fig. '8 is a'detail section showing the manner of forming one of the outside cor- 11ers and connecting the mold section.

Fig. 9 is an elevation of the same,

Fig. 10 is a top plan view showing the manner of forming an irregular wall.

.Figql l is an elevationof one of the look;

ing. levers for formingthe corner section.

Fig. ;l2is an: elevation of the same taken ig. l3 's a top plan View of a circular mold constructed in accordance withmy invention. 1 y 1 i Fig. ltisan elevation of the same. Fig. 15 is a detail elevation of one of the spacers. i

Fig. 16.is adetail view showing how the spacer feeds downover the mold sections.

Fig. 17 is anelevation showing the lockingleverp... i i 7 Fig.1.18 is. a section through the same.

' Fig.19 an elevatio'n'of one of the levers employedufor locking the superposed mold sections together f Fig. 20 is detail view ofthe spacing member. r

Fig. 21 is .asection through a portion of the mold showing the 1011117..

a Fig. 22 is an elevation of the same.

F 23 is a top plan view of the inside forin of a circular moldshowing the scaffolding arr-angement.- i

i folding in dotted lines. i

is an elevation showing the scaf- Fig. 25 is a detail plan view of one of the locking levers for holding the mold sections together. A

Fig. 26 isan elevation of the same. t

Fig. 27 is a. section showing the manner ofcohnecti pg. thehrace rods of theiscaifold; ing to the circular mold sections, and y i Fig. 28 is a plan view of theJOcking lever. In carrying out my invention. I employ plurality of duplicate sections 1, which are formed of sheet metalor any other suitable j material having vertical angle irons 2, connected to two .of the edges d a hori- Jpntalj angle iron connected to the re nain ing two edges, the vertical. angle iron 2 terminating shortof .tlie horizontalan le irons. These corners .thus formed are secured together by 'braceslt, as clearly shown in Fig. 3. From the construction thus de.

scribed, it will be seen that .I have provided a mold formed of a plurality of duplicate 5 sections, each section being rectangular in form having an angle iron arranged on one face at the marginal edge thereof. In order to provide means for locking anumbe'r of these sections together, I form the hori zontal flanges of the angle irons 3, with openings'through which is adapted'to extend'lockinglevers 5, carried by the upper portion of each form section, and as these levers register the openings of the abutting channel irons, they hold the sections together, as clearly shown in Fig. 2. The vertical channels are also provided with slots through whichjlevers 6' are adapted to pass, so as to lock the abutting channels of the v'ertical'edge's and-in the construction shown, I have arranged a pair of levers along the upper edge of each form section and along the "upper edge, of the right hand edge of each form section.

I I ;In'order to providemeans forpositioning the mold sections when being assembled so that the levers can be readily forced through the registering openings of the channel irons and for holding said mold sections in.their proper position when being assembled, I provide the -vertical channels of each section with a notch which 'is' adapted to receive a positioning member 7, one of these positioning members being arranged on each section and fitting in the notch of the adjacent section, and as herein shown, I arrange one positioning member onthe top of one section, and the other positioning member on the bottom of the ad- 40 -jacent section, whereby when these positioning members are forcedinto their notches, the sections willbe held. l

Thisconstructi'on describes the formused for forming a straight wall and when two of the'formsare placed side'by side in spaced'relation, asshown in Fig. 1, I insert tie rods through openings 8-, formed in the channel; irons, so that thesections will --be bound together. For. holding and spacing these sections in proper relation, I

oiopenings 10, through which a wedging -member-11, is adapted to be driven forsecuring themoldsections to their proper po-.

sitions with respect to oneanother.. Any numbenot these spacing members ica nbe employed, butI- have found that two to a, section will be sutlicient and in some instances, it is not necessary to employ fth isnumber, but of course, I do not wish to limit myself to the number of spacing members as the mold sections whenby wires of one of the angles and holds the mold sections-to the corners. The inside corner as shown in Fig. 6 is formed of angle irons and has a lever 1 1- for locking the same together, but I do not wish to make any claim to the corner pieces or mode of constructing the same, as I am aware that similar constructions have been used prior to my invention.

In Figs. 13 to 27, I show the various parts of the mold for forming a circular wall and the sections 15, which are formed of sheet metal are provided with vertical angle irons 16, and along the upper and lower' edges scraps of band iron 17 in order to allow the sections to'be bent on the are 01 a circle. The straps of band iron 17, areprovided with positioning members 18, as clearly shown and each section 15 of the mold is provided with an angle piece 19, which is slotted. On the inside of each section 15, is an angle iron 20, and one end of which is cut away carries a locking lever 21, which is adapted to extend through the slotted angle pieces 19, so as to lock the superposed mold sections together. The angles 16, are constructed substantially as shown in my mold for forming straight walls and are provided with positioning members 22, and lockin levers 23, to enable the sections to be locked together along theirvertical edges and the horizontal edges of the mold are locked together, by a lever 21, whereby I am able to assemble a number of these sections to form a circular term of any diameter. The molds are held spaced apart by spacing members 24, which are angle irons having slots at each end as clearly shown in Fig. 20, to receive the upper edges of the mold sections and by this construction the mold sections-can beheld properly spaced apart and when it is desired to form molds of different diameters different sizes of spacing members are employed.

In forming circular walls it is necessary to employ a scaffolding and in the construction of Figs. 23 to 27 I show a scatl'olding construction adapted to be used in connection with the circular mold constructed in aecordance with my invention and comprising a series of ring sections 25, which are formed of angle irons and are locked together at their ends by levers 26, said ring sections fitting in notches formed in a member 26,

secured to the central angles 20, and when the ring composed of the sections 25 placed is in position with the inside circular mold, the mold will be reinforced. In order to provide means for strengthening the ring formed by the sections 25, I provide a series of braces 27, which are connected to the ring sections by pins 28, and these braces 27 are connected together by braces 29, the ends of the angles being cut away so that they rest upon the rings and abutting braces whereby I amable to form a ring of any diameter desired as by increasing the ring sections and number of braces, the scaffolding construction can be increased any size so as to support a circular form constructed in accordance with my invention of any size desired.

The locking levers employed as shown in Fig. 28, connecting the vertical edges of the mold sections together, are constructed identical with the straight and circular form sections and are provided with notches 30, which are adapted to engage the edge of the notches in the abutting angle irons secured to the edges of the mold sections, so as to securely lock the sections together. I am aware that levers or locking devices have been employed for connecting the mold sections together prior to my invention, but the construction of these locking devices such that they have not been satisfactory in use and I have devised a construction of mold and manner of locking the same whereby a plurality of sections can be assembled in such a manner that strong and durable form either straight or circular in form can be produced.

While in the specification I have not specilied how the straps of band iron and angle irons are secured to the sheet metal form sections, it is of course understood that they can be riveted or Welded thereto, and I do not wish to limit myself to any particular manner of forming these mold sections in respect to the manner of connecting the same to the sheet metal bodies, but what I do claim is the manner of positioning and rigidly securing the sections together.

lVhat I claim is:

1. A concrete mold formed of a plurality of duplicate form sections having angle irons secured to their vertical edges provided with registering openings, levers provided with notches adapted to extend through said openings for locking said sections together, members carried by the vertical angle irons of adjacent sections extending respectively into notches formed in said angle irons of each other for positioning said members, and horizontal angle irons be ing provided with slots and spacing members arranged on said angle irons, said spacing members having angled ends extending into notches of one form section, and provided with a series of slots through which wedges are adapted to extend for holding said sections in spaced relation to one another.

2. A concrete mold formed of inner and outer members each formed of a plurality of sections interlocked together, and spaced apart to form a mold, the inner section of said mold being provided with notched members and a scaffolding construction composed of a plurality of segments inteidocked together to form a ring seated in the notches of said members, said ring sections being connected together by a plurality of braces.

3. A concrete mold formed of a plurality of form sections interlocked together by levers, said sections being provided with notched members, a scaffolding construction formed oi": a plurality of segments locked to gether by levers to form a ring arranged in the notches of said members, said ring being provided with braces connected together by braces to provide an interchangeable scaffolding construction for increasing and decreasing the size of said ring.

4C. A circular mold for concrete structures composed of inner and outer members each formed of a plurality of form sections having angle irons along their vertical edges and strap irons along their horizontal edges the strap irons being provided with slotted angles, members carried by the upper strap iron of each section for positioning said section in respect to the abutting section, each of said sections carrying levers adapted to extend through the registering slots of the vertical angle irons for locking said sections together, and spacing members for spacing said members apart.

In testimony whereof I hereunto atlix my signature in the presence of two witnesses.

GEORGE M. RE-ICHERT.

Witnesses M. H. UMBREIT, M. E. Downer. 

